Control and measurement of ultrashort pulse shapes (in amplitude and phase) with femtosecond accuracy

Diels, Jean‐Claude; Fontaine, Joël; McMichael, Ian; Simoni, F.

doi:10.1364/ao.24.001270

Cited by 431 publications

(246 citation statements)

References 15 publications

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“…Glass components of the optical pathway also cause a dispersion (spreading) of the ~100 fs laser pulses, but this may be compensated for by corrective optics in order to maximize 2P excitation (Diels et al 1985). Another limitation of 2P excitation microscopy is that reflected light imaging is not possible and it is not suitable for imaging highly pigmented specimens that absorb IR and near-IR light.…”

Section: Multiphoton Excitation Laser Scanning Microscopymentioning

confidence: 99%

Confocal and Multiphoton Imaging of Intracellular Ca2+

Smith

Reynolds

Burton

et al. 2010

Methods in Cell Biology

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Section: Multiphoton Excitation Laser Scanning Microscopymentioning

confidence: 99%

Confocal and Multiphoton Imaging of Intracellular Ca2+

Smith

Reynolds

Burton

et al. 2010

Methods in Cell Biology

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“…A major part of them can be classified as self-reference methods, since the pulse interferes with its own replica usually in a nonlinear crystal or detector. Such techniques are the interferometric autocorrelation [16], frequency resolved optical gating (FROG) [17], or spectral phase interferometry for direct electric-field reconstruction (SPIDER) [18]. A handful of variations have been developed based on these schemes depending on what property of the ultrashort pulses are the subject of the observation.…”

Section: Introductionmentioning

confidence: 99%

What We Can Learn about Ultrashort Pulses by Linear Optical Methods

2013

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Spatiotemporal compression of ultrashort pulses is one of the key issues of chirped pulse amplification (CPA), the most common method to achieve high intensity laser beams. Successful shaping of the temporal envelope and recombination of the spectral components of the broadband pulses need careful alignment of the stretcher-compressor stages. Pulse parameters are required to be measured at the target as well. Several diagnostic techniques have been developed so far for the characterization of ultrashort pulses. Some of these methods utilize nonlinear optical processes, while others based on purely linear optics, in most cases, combined with spectrally resolving device. The goal of this work is to provide a review on the capabilities and limitations of the latter category of the ultrafast diagnostical methods. We feel that the importance of these powerful, easy-to-align, high-precision techniques needs to be emphasized, since their use could gradually improve the efficiency of different CPA systems. We give a general description on the background of spectrally resolved linear interferometry and demonstrate various schematic experimental layouts for the detection of material dispersion, angular dispersion and carrier-envelope phase drift. Precision estimations and discussion of potential applications are also provided.

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“…The Stokes spectra generated by the SCG module were recorded using an optical spectrum analyzer (HP 70450A). Pulse durations and chirps were measured with a home-built scanning interferometric autocorrelator [25]. Data acquisition and microscope control were implemented using a custom LabView interface.…”

Section: Methodsmentioning

confidence: 99%

Spectrally-broad coherent anti-Stokes Raman scattering hyper-microscopy utilizing a Stokes supercontinuum pumped at 800 nm

Porquez

Cole

Tabarangao

et al. 2016

Biomed. Opt. Express

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Abstract:We demonstrate spectral-focusing based coherent anti-Stokes Raman scattering (SF-CARS) hyper-microscopy capable of probing vibrational frequencies from 630 cm 1 to 3250 cm 1 using a single Ti:Sapphire femtosecond laser operating at 800 nm, and a commercially-available supercontinuum-generating fibre module. A broad Stokes supercontinuum with significant spectral power at wavelengths between 800 nm and 940 nm is generated by power tuning the fibre module using atypically long and/or chirped ~200 fs pump pulses, allowing convenient access to lower vibrational frequencies in the fingerprint spectral region. This work significantly reduces the instrumental and technical requirements for multimodal CARS microscopy, while expanding the spectral capabilities of an established approach to SF-CARS.

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Control and measurement of ultrashort pulse shapes (in amplitude and phase) with femtosecond accuracy

Cited by 431 publications

References 15 publications

Confocal and Multiphoton Imaging of Intracellular Ca2+

Confocal and Multiphoton Imaging of Intracellular Ca2+

What We Can Learn about Ultrashort Pulses by Linear Optical Methods

Spectrally-broad coherent anti-Stokes Raman scattering hyper-microscopy utilizing a Stokes supercontinuum pumped at 800 nm

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